With Group values, you can join different values in one group. For example, you can join light blue, dark blue, midnight blue to blue.
Note: The group value displays in the filter in the front end only when products of your collections include all values of this group.
You go to Navigation > Group values
A dialog shows up as below:
Click Add group
- Add group name
- Select filter type
- Add values to the group
- Click OK to complete